Fosi Audio Bluetooth 5.0 TPA3116D2 Digital Power Amplifier Board 100W Stereo Power AUX Audio Subwoofer Amplifier 

Features:

HIFI SoundAdopt TPA3116D2(with AM interference suppression function) chips, with excellent sound quality. It ensures that even with high power operation for a long time, THD is less than 0.1%.

Mini but Powerful2 CH stereo output power 100watt * 2, working voltage range DC5-27V, for 4-8, 50watt-300watt passive speakers.

Two Input WaysSupport 3.5mm wired input and Bluetooth 5.0 input. Bluetooth signal distance up to 49ft, best for your DIY passive speakers.

Continuous &Stable5470uFhighqualitycapacitorbringsa stable output. Large-area heat dissipation system, and high-quality power module, it will not overheat and stop work at long-time high output.

Ensure SafetyThis Bluetooth amplifier board has a bottom plate and a top plate, support reverse connection protection, Over-voltage protection, under-voltage protection, Over-heat protection, Short-circuit protection.  

Highlight:

 Model: ZK-1002

Chip: TPA3116D2*2

Input Mode: Bluetooth and 3.5mm AUX

Work Voltage: DC 5V-27V (Above 2A)

Channel: 2 CH Stereo Output

Bluetooth version: Bluetooth 5.0

Bluetooth transmission distance: 50 Ft

MAX Power Output: 100W x 2

Terminating Impedance: 4 Ohm-8 Ohm

Match Speaker: 50W-300W

Work Humidity:0%~95%RH         

How to connect the speaker?

Step1-Use the screwdriver to loosen the speaker terminals on the amplifier.

Step2-Insert the speaker wires.

Step3-Install the screws to secure the speaker wires.

Package Include:

 *ZK-1002 Stereo Bluetooth Power Amplifier Module x1

*Acrylic shell x2

*16mm Copper column x4

*9mm Screw x8,

*Steel nut, screw mat x1

*20cm power cable x1

*Screwdriver x1

*Knob x1